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Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

2239 Fragen
Q
SEBS dynamic fatigue
A
Fatigue life
Extrusion & Post SEBS、fatigue
Q
Slow elastic recovery
Q
SBS melt fracture causing surface defects
Q
POE and ABS blend delamination cracking
A
POE/ABS polarity difference requires compatibilizer or changing the toughener
Extrusion & Post POE/ABSdelaminationpolarity differencePOE-g-MAHMBS toughening
Q
POE toughened PP directionality obvious
A
Directionality difference is caused by POE orientation; reducing speed and multi-point gates are key
Extrusion & Post POE toughened PPdirectionalityPOE orientationinjection speedmulti-point gates
Q
POE film self-adhesion too strong
Q
POE internal delamination cracking
A
Internal delamination is caused by poor interface and shrinkage difference; compatibilizer and uniform cooling are key
Extrusion & Post POEinternal delaminationinterfacial adhesioncompatibilizeruniform cooling
Q
POE surface snakeskin pattern
A
Snakeskin pattern is caused by low-temperature extrusion and elastic recovery; raising temperature and reducing speed are key
Extrusion & Post POEsnakeskin patternextrusion temperatureelastic recoverydie temperature control
Q
POE dimension changes greatly with temperature
A
Dimensional temperature sensitivity is caused by large thermal expansion coefficient; adding filler and annealing are key
Extrusion & Post POEdimensional temperature sensitivitythermal expansion coefficientrigid fillerannealing treatment
Q
POE surface dense pitting
A
Pitting is caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
Extrusion & Post POEsurface pittingimpurity particlesmold repairraw material purity
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